Improvement in oscillating engines



1. woLF. l Oscillating-Engines.

` Patented Aug. 10,1875

MPEIERS. FMOTQLITHUGRAPMER, WASHINGTON, D. C.

' `JAOOB WOLF, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN OSCILLATING ENGINES.

Specification forming part of Letters Patent No. 166.672, dated August10, 1875; application iiled June 16, 1875.

Y To all whom t may concern:

Be it known that I, JACOB WOLF, of the city and county of Philadelphia,and State of Pennsylvania, have invented a new and useful Improvement inOscillating Engines; and I do hereby declare the following` to be aclear and exact description of the nature thereof, sufficient to enableothers skilled in the art to which my invention appertains to fullyunderstand, make, and use the same, reference being had to theaccompanying drawings, making part of this speciiication, in which-Figure l is a side view of the device embodying my invention. Fig. 2 isa vertical section thereof in line x x, Fig. 3. Fig. 3 isl alongitudinal horizontal section thereof in line y y, Fig. l. Fig. 4. isa transverse section in line z z, Fig. 2. Fig. 5 is a transverse sectionof the valve in line a a, Fig. 3.

Similar letters of reference indicate corresponding parts in the severalfigures.

My invention consists in a two-passage pipe, communicating with twooscillating cylinders, whose trunnions have ports communieating with thepipe, in combination with a valve operating in relation t`o the passagesof the pipe, so that the live and exhaust steam will be alternatelydirected through said passages to and from the cylinders in a simple andexpeditious manner, and movable valves in the trunnions are dispensedwith.

Referring to the drawings, A represents two oscillating cylinders, and BB the trunnions which constitute the bearings of said cylinders. Crepresents the pistons; D, the rods thereof 5 and E, crank-shaft, onwhich is iixed the band-wheel E', and which receivesl 4sides of theinner faces of the bosses F there are formed ports cl el', (see Fig.4.,) which are adapted to communicate with the passages b b of the pipesG, and leading to the top and bottom of the cylinders are passages b b",which communicate with passages a ad, formed in the inner trunnions B,said passages a al" being continuous of the ports d d of the bosses F.The ends of the pipes opposite to the bosses F are connected to avalvechamber, H, which has ports e c for live steam, and a port, f, forexhaust steam, the ports e communicating with the passages b b of thepipes G. A sliding valve, g, is adapted to cover and uncover the ports ein a manner known, and the stem of the valve is attached to theoperating portion of the engine, in order to receive reciprocatingmotions therefrom.

The operation is as follows: Steam is admitted to the valve-chamber H,and passes through one of the uncovered ports, e, into the passages b ofthe pipes G, from whence it reaches the ports el d of thebosses F.'WVhen one cylinder oscillates to the right, the other oscillates to theleft. Now, the partitionplates a in the pipes G act as seats for theports Z d. Consequently, when the bosses oscillate, and the ports movebeyond the plates, the parts are uncovered, so that there iscommunication between the passages b b and said ports. In one side ofthe engine one passage, b, communicates with the port d, and in theother side the passage b communicates with the port d', whereby thesteam enters the upper passage c in the trunnions B of one cylinder, andthe lower passage ed in the trunnion of the other cylinder, therebyacting on the upper and lower sides of the pistons of the two cylinders,respectively, and i operating the engine. The subsequent oscillations ofthe cylinders cause the communication of the passage b and port d on oneside of the engine, and of the passage b and port d of the other side ofthe engine. The valve g, meanwhile moving, uncovers the port e andcloses port e. Steam now reaches the ports d cl', and, owing to theposition of parts, it

Aacts on the pistons in order the reverse of that previously stated,thus continuing the motion of the engine. The exhaust steam returnsthrough the passages which first took live steam, and 110W communicateswith the exhaust-port f, whereby the exhaust steam is passed out throughsaid port j'.

Having thus described my invention, what I claim s new, and desire tosecure by Letters Patent, is-

Theherein-described oscillating engine, composed of the cylinders AA,formed with trunnions B B' and bosses F, the ports d d, pas sages aa!" and b" b', pipes G Gr, and valve H e f g, constructed and arrangedas shown, and (zo-operating as specified.

JACOB WOLF.

Witnesses:

JOHN A. WIEDERSEEIM, ALBERT H. HOECKLEY.

